Lucky for you the Logitech Ergo M575S wireless trackball mouse is seeing a 20% discount at the moment. Normally sold for $50, you now end up saving $10 and only paying $40. It’s available in four ...

You can purchase the Logitech MX Master 3S Wireless Mouse on Amazon for $80, $20 off the regular $100 price, for a 20% ...

" [The inductive technology in the Superstrike] is also working with magnetism [just like Hall effect technology], but it's more like an electromagnetic field. So the coils that you see [under] each ...